/*
 * This file is part of alphaTab.
 * Copyright c 2013, Daniel Kuschny and Contributors, All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or at your option any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.
 */
package alphatab.rendering.utils;

import alphatab.model.Beat;

class TupletHelper
{
    public var beats:Array<Beat>;
    public var voiceIndex:Int;
    public var tuplet : Int;
    
    private var _isFinished:Bool;

    public function new(voice:Int) 
    {
        voiceIndex = voice;
        beats = new Array<Beat>();
    }
        
    public inline function isFull()
    {
        return beats.length == tuplet;
    }
    
    public function finish()
    {
        _isFinished = true;
    }
    
    public function check(beat:Beat) : Bool
    {
        if (beats.length == 0)
        { 
            tuplet = beat.tupletNumerator;
        }
        else
        {
            if (beat.voice.index != voiceIndex || beat.tupletNumerator != tuplet || isFull() || _isFinished) return false;
        }
        beats.push(beat);        
        return true;
    }    
}